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90124746 = 2328353077
BaseRepresentation
bin1010101111100…
…11000111001010
320021120210220120
411113303013022
5141032442441
612535404110
72143022235
oct527630712
9207523816
1090124746
1146967068
1226223636
131589696a
14bd8041c
157da3966
hex55f31ca

90124746 has 16 divisors (see below), whose sum is σ = 180889824. Its totient is φ = 29934864.

The previous prime is 90124739. The next prime is 90124747. The reversal of 90124746 is 64742109.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90124747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24841 + ... + 28236.

It is an arithmetic number, because the mean of its divisors is an integer number (11305614).

Almost surely, 290124746 is an apocalyptic number.

90124746 is an abundant number, since it is smaller than the sum of its proper divisors (90765078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90124746 is a wasteful number, since it uses less digits than its factorization.

90124746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53365.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 90124746 is about 9493.4053953257. The cubic root of 90124746 is about 448.3474299252.

The spelling of 90124746 in words is "ninety million, one hundred twenty-four thousand, seven hundred forty-six".

Divisors: 1 2 3 6 283 566 849 1698 53077 106154 159231 318462 15020791 30041582 45062373 90124746